Pierre is a large public water system in EPA region 08 that provides tap water for the 57501 zip codes. It has 2 facilities where the water supply was tested for 20 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 2.6 µg/L. The maximum reported level of Manganese was 2400 µg/L. The only recent water sample showed levels of Manganese that were at or above unsafe concentration levels. There were 2 contamintants found in the Pierre water supply at levels that were above the minimum reporting level. 1 of the contaminants were above the reference level, which means they may pose a risk to human health.
The latest water samples were taken on September 27th, 2018.